Savarez 500-CJ New Cristal Corum classic guitar strings set Hard tension

Treble strings: E1 - B2 - G3

Improved nylon, plain strings. It has amazing clear sound. 

Bass strings: D4 - A5 - E6

CORUM Flexible Strings. A Savarez innovation with great nuances and colours of tone, fast response like a stiffer string.